Bed frame



FIG. 1 is a front oblique perspective view of a bed frame showing my new design.

FIG. 2 is a front elevation view showing my new design.

FIG. 3 is a left side elevation view thereof; the right side elevation view (not shown) being a mirror image thereof.

FIG. 4 is a back elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines in the figures illustrate portions of the bed frame that form no part of the claimed design. 

CLAIM The ornamental design for the bed frame, as shown and described. 